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Several endpoints accept ecosystem and category filters as slugs. Some project endpoints also accept numeric ID strings for these fields.

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Ecosystems

Common ecosystem slugs include: 
bitcoin
ethereum
solana
base
optimism
arbitrum
celestia
monad
bsc
aptos
sui
avalanche
polygon
berachain
hyperliquid
near
cosmos
bittensor
ton
tron
cardano
farcaster

​
Categories

Common category slugs include: 
defi
derivatives
rwa
nfts
gaming
ai
socialfi
dao
memecoins
stablecoins
rollups
zk
interoperability
depin
wallets
consumer
robotics
prediction-markets
Pass slug filters as JSON arrays in POST request bodies. 
curl -X POST "https://api.kanarie.xyz/api/v1/projects/filter" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "filter_mode": "direct",
    "ecosystems": ["solana", "base"],
    "categories": ["defi", "ai"]
  }'